Influence of gamma radiation and temperature on the ageing of EVA cable insulation studied by DSC

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46356088%3A_____%2F18%3AN0000006" target="_blank" >RIV/46356088:_____/18:N0000006 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.tca.2018.08.009" target="_blank" >http://dx.doi.org/10.1016/j.tca.2018.08.009</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.tca.2018.08.009" target="_blank" >10.1016/j.tca.2018.08.009</a>

Result language
angličtina
Original language name
Influence of gamma radiation and temperature on the ageing of EVA cable insulation studied by DSC
Original language description
Effect of gamma radiation and temperature on the stability of ethylene vinyl-acetate copolymer (EVA) cable insulation was studied by non-isothermal DSC measurements. From the dependences of oxidation onset temperatures on heating rates, the kinetic parameters describing the temperature dependence of induction period have been obtained. The kinetic parameters enabled to calculate the length of induction period for a chosen temperature and to evaluate the residual stability of EVA cable insulation after an artificial ageing stress. It has been shown that the extinction of residual stability with radiation dose obeys a first-order kinetics for all studied temperatures and the extinction constants of residual stabilities have been calculated. Their values indicate, that the radiation ageing has a more significant effect on the residual stability of EVA cable insulation than the temperature ageing at 90 degrees C.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20305 - Nuclear related engineering; (nuclear physics to be 1.3);

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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